Engine Identification

Fig 1: Locating Vehicle Identification Number (VIN) Derivative

Courtesy of GENERAL MOTORS CORP.

The Vehicle Identification Number (VIN) Derivative (2) is located on the lower right side of the engine block and is a nine digit number stamped or laser etched onto the engine at the vehicle assembly plant. If reading the identification number from the left, the following information can be obtained:

• The first digit identifies the vehicle division.
• The second digit identifies the model year.
• The third digit identifies the assembly plant.
• The fourth through ninth digits are the last six digits of the Vehicle Identification Number (VIN).

Engine displacement (1) is cast into the engine block under the starter motor.